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27.08.2014
record size, (2) sequential read testing with 1MB record size, and (3) random write and read (4KB). In running these tests, I wanted to see what block layer information ioprof revealed.
The system I
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30.11.2020
: Pull complete
3db6272dcbfa: Pull complete
Digest: sha256:8be26f81ffea54106bae012c6f349df70f4d5e7e2ec01b143c46e2c03b9e551d
Status: Downloaded newer image for registry:2
docker.io/library/registry:2
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30.11.2025
of read requests issued to the device per second.
w/s
: Number of write requests issued to the device per second.
rMB/s
: Number of megabytes read from the device per second.
wMB/s
: Number
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07.11.2023
the last command as an example, an option to specify the extent size would be:
# vgcreate -s 8M vg0 /dev/sdb1 /dev/sdd
The -s 8M
option specifies a PE size of 8MB when the VG is created. You can change
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05.08.2024
months ago 28.5 kB
quay.io/centos/centos latest 300e315adb2f 3 years ago 217 MB
testuser@laytonjb-MINI-S:~$ podman pull alpine
Resolved "alpine" as
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30.11.2025
creates a 256MB file in the current directory along with process for the job. This process reads complete file content in random order. Fio records the areas that have already been read and reads each area
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17.01.2023
lines I changed the name of the compute node to match my node (n0001
).
Listing 3: Edit the Template File
$ sudo perl -pi -e "s/ControlMachine=\S+/ControlMachine=`hostname -s
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04.04.2023
x86_64 2.9.1-9.el8 baseos 393 k
groff-base x86_64 1.22.3-18.el8 baseos 1.0 M
hwloc-ohpc x86_64 2.7.0-3
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18.07.2013
buffered disk reads: 616 MB in
3.00 seconds = 205.03 MB/sec
$ hdparm -T /dev/sda
/dev/sda:
Timing cached reads: 6292 MB in
2.00 seconds = 3153.09 MB/sec
If this were a spinning disk, you would also
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30.11.2025
few years, including Amazon Elastic Compute Cloud (EC2), Amazon Simple Storage Service (S3), and JiffyBox. In the US, these vendors are joined by providers such as GoGrid, Rackspace, and Terremark ... addresses this issue by offering a standardized API for infrastructure as a service (IaaS) clouds.
